code: def __post_init__(self):
      self.norm = (
          torch.tensor(self.x) ** 2 + torch.tensor(self.y) ** 2
      ) ** 0.5
  
imports: from dataclasses import dataclass, field, InitVar
  from hypothesis import given, settings, strategies
  from torch.testing._internal.jit_utils import JitTestCase
  from typing import List, Optional
  import sys
  import torch
  import unittest
  from enum import Enum
label_desc: Use image node_id 1 for calling the Point obj's underlying member method code with example usage: obj.__post_init__() without return types